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How many brains does a leech have?
05:58 - 06:58 (01:00)
According to Google, a leech has 32 brains, but in reality, it's an extended and segmented brain with ganglia relay stations, and there are 21 ganglia in total.
According to Google, a leech has 32 brains, but in reality, it's an extended and segmented brain with ganglia relay stations, and there are 21 ganglia in total.